BigBand Networks Inc.

Redwood City, Calif. • 650-995-5000 • www.bigbandnet.com

Exchange and Ticker: Nasdaq: BBND

Filing Range: 7.5M shares @ $10.00 to $12.00

Offering Price: $13.00

Close on First Day: $17.00

Offering Size: $139.10M

Shares Outstanding: 57,119,068

Underwriters: Morgan Stanley/ Merrill Lynch

Co-managers: ThinkEquity Partners/ Jefferies & Co. Inc./ SG Cowen Securities Corp.

Company Counsel: Wilson Sonsini Goodrich & Rosati

Manager Counsel: Latham & Watkins

Auditor: Ernst & Young LLP

Market Capitalization on 3/31/07: $1,028.71M

Close price at current month end: $18.01

DESCRIPTION

Designs, manufactures and sells platforms for broadband multimedia services. Company designs, manufactures, sells and supports platforms for broadband multimedia services. Its services, supported by the BigBand Network platform, include data, voice over IP, digital broadcast television, HDTV, transport of video, local advertising, video on demand and iTV. Competitors include Cisco Systems, SkyStream Networks and Terayon Communication Systems.

VENTURE BACKERS

Cedar Fund, Charles River Ventures, CommVest, Evergreen Venture Partners, Lauder Partners, Meritech Capital Partners, Pilot House Ventures Group, Redpoint Ventures and Time Warner Investments.

Source: Thomson Financial